Using underscore as a digit separator
Underscores can be used a digit separator on numeric literals for ease of reading
StringSyntaxAttribute for syntax highlighting
Leverage the new StringSyntaxAttribute to enhance the developer experience
Null checking with the is keyword
Why you should do null checking with is keyword instead of ==
Indices and ranges
Using indices and ranges for succinct syntax when working with sequences
Using Func<> as an intermediary
How Func or Action can be used as an intermediary when calling methods